Integrated drinking water purification equipment

Abstract

The utility model provides integrated drinking water purification equipment which comprises a box body, a flocculation device, a precipitation device and a filtering device, the flocculation device, the precipitation device and the filtering device are arranged in the box body, water paths of the flocculation device, the precipitation device and the filtering device are sequentially communicated, and the filtering device comprises a water distribution pipe system communicated with the precipitation device and a quick filter located below the water distribution pipe system; the water distribution pipe system comprises a water passing main pipe communicated with the precipitation device and a plurality of water inlet branch pipes which are respectively communicated with the water passing main pipe and are uniformly distributed above the rapid filter tank; based on the improvement requirement of the water inlet mode of the filtering device in the existing integrated water purification equipment, the integrated water purification equipment not only integrates the water purification functions of flocculation, precipitation, filtration and the like, but also can save the space of a water passing gallery and the occupied area and space of a filter tank in the water inlet process from the precipitation device to the filtering device, so that the equipment structure is more compact.

Description

Technical Field

[0001] The utility model relates to the technical field of water treatment, and more specifically, to an integrated drinking water purification device. Background Art

[0002] At present, due to the improvement of people's living standards and quality of life, drinking water is indispensable for production and life. Raw water in nature is generally not drinkable directly and needs to be purified. For cities, there are unified large-scale water treatment plants to purify raw water in a centralized manner; in rural areas, due to the relatively scattered residence of residents, it is not suitable to build large-scale water treatment plants to purify and dispatch drinking water. Therefore, for the purification of drinking water in rural areas, it is suitable to adopt relatively independent distributed or integrated drinking water purification equipment to meet different water treatment needs; about 300 million rural people in my country have unsafe drinking water. The rural drinking water problem endangers the lives of rural people. To improve the safety of rural drinking water, it is necessary to purify drinking water and ensure the quality of drinking water.

[0003] Most relatively independent distributed or integrated drinking water purification equipment includes processing modules such as flocculation, sedimentation, filtration, and disinfection. Among them, the flocculation, sedimentation, and filtration steps are the key steps in the water purification process, which play a key role in removing impurities and harmful substances in the water. In the filtration step, the current way to introduce water flow into the filter tank is to use a water gallery to divert water. The water inlet gallery adopts an open channel form. The water overflows in the water inlet gallery to achieve the effect of dispersing the water flow. The water inlet gallery needs to set up multiple channels from the sedimentation step to complete the diversion and water diversion, which takes up a lot of layout space. In the integrated drinking water purification equipment, due to the limitation of the equipment volume, the installation of the water inlet gallery will increase the volume of the purification equipment, which is restricted in the equipment layout. Utility Model Content

[0004] This utility model addresses the need for improved water inlet methods for filtration devices in current integrated water purification equipment and provides an integrated drinking water purification device. This utility model not only integrates water purification functions such as flocculation, sedimentation, and filtration, but also saves space in the water passageway during the water inlet process from the sedimentation device to the filtration device, reducing the floor space and volume of the filter tank, making the device structure more compact.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] An integrated drinking water purification device comprises a housing, a flocculation device, a sedimentation device and a filtration device arranged within the housing and connected in sequence by waterways, the filtration device comprising a water distribution pipe system connected to the sedimentation device, and a rapid filter tank located below the water distribution pipe system; the water distribution pipe system comprises a water main pipe connected to the sedimentation device, and a plurality of water inlet branch pipes respectively connected to the water main pipe and evenly distributed above the rapid filter tank.

[0007] In the utility model, a flocculation device, a sedimentation device and a filtering device are integrated in a box body, so that the whole device forms a relatively independent integrated drinking water purification device, which can meet the water treatment needs of rural areas where residents are relatively dispersed; the water inlet method from the sedimentation device to the filtering device adopts a water main pipe connected to the rapid filter tank, and after the water inlet branch is evenly divided, the water flow is directly dispersed to various parts of the rapid filter tank. Compared with the traditional water inlet method through the water gallery, this design has more uniform water distribution, and the space of the water gallery can be used as a filtering area, saving the floor space and space of the filter tank and making the equipment structure more compact.

[0008] Furthermore, the rapid filter tank includes a plurality of drainage troughs located below the plurality of water inlet manifolds and interconnected, a filter material layer located below the drainage troughs, a water outlet pipe located below the filter material layer and used to receive the filtered water flow, and a backwash drainage pipe connected to the plurality of drainage troughs; the water outlet pipe includes a clean water pipe and a backwash water inlet pipe branched in parallel; the plurality of water inlet manifolds, the backwash drainage pipe, the clean water pipe and the backwash water inlet pipe are respectively provided with valves.

[0009] The filter layer can use lightweight filter media with a low expansion rate. The water inlet method of the water distribution pipe system greatly saves the design space of the traditional water corridor, so the height of the drainage trough from the filter layer can be reduced, thereby reducing the backwash water consumption and saving operating costs; opening different valves can realize a variety of different functions of filtration or backwashing. At the same time, valves and other accessories can avoid damage caused by the external environment, extend the service life, and make the equipment more integrated and more beautiful.

[0010] Furthermore, the flocculation device includes a floc chamber and a sieve plate flocculation chamber that are interconnected. A floc tower is provided in the floc chamber. A first water inlet connected to the floc chamber is provided on the box body, a second water inlet is provided at the bottom of the floc tower, and a water outlet is provided on the side wall of the floc tower; the first water inlet is used to connect with external raw water and allow the water flow to enter the outer wall of the floc tower, the water flows through the second water inlet and is connected to the sieve plate flocculation chamber from the water outlet through the floc tower, and the water flows through the sieve plate flocculation chamber and is connected to the sedimentation device after passing through the sieve plate flocculation chamber.

[0011] The flocculation device of the utility model adopts the flocculation method of high-efficiency flocs and sieve plates to flocculate raw water with high efficiency. The first water inlet connected to the external raw water makes the water flow cut off from the outer wall of the floc tower for water inlet. The water flow cuts off from the outer wall of the floc tower and forms an annular rotating water flow in the floc cavity around the outer wall trajectory of the floc tower. The water flow is filled from top to bottom along the outer wall of the floc tower, forming a vortex sand removal effect. The utility model does not need to set up a separate stirring device to increase the water flow disturbance through the vortex effect, which simplifies the structural design of the equipment; the water reaching the bottom of the floc tower enters the interior of the floc tower through the second water inlet, and the floc tower is generally filled with flocculants to achieve water flow in the floc tower. The water flows through the sieve plate flocculation chamber and enters the flocculation chamber from the outlet for flocculation. The arrangement of the flocculation chamber in the flocculation chamber enables the water to realize swirling forward in a limited space and return to the interior of the flocculation chamber, extending the forward trajectory of the raw water and increasing the flocculation time of the raw water in the flocculation chamber, thereby improving the flocculation effect and greatly improving the flocculation efficiency in a limited box space. At the same time, the water flow after the initial flocculation is subjected to turbulent flocculation in the sieve plate flocculation chamber, further improving the flocculation effect and promoting further flocculation of particles in the raw water. The flocculation chamber has a small footprint, high efficiency and stability, and high processing capacity. It is suitable for various types of water sources and has good processing effects on both low-temperature and low-turbidity water and high-turbidity water.

[0012] Furthermore, the floc-core tower includes an inverted frustum-shaped tower body; the inverted frustum-shaped tower body can produce a better swirl effect when the raw water tangentially impacts the outer wall of the tower body.

[0013] Furthermore, the flocculation tower is filled with fillers; the fillers are installed to form multiple water flows in the flocculation tower, thereby increasing the collision probability of flocs in the fillers, making the density of floc nuclei formed in the early stage of flocculation higher, strengthening flocculation, and ensuring the flocculation effect when the raw water is low in temperature and low in turbidity.

[0014] Furthermore, the water outlet is located above the middle of the side wall of the flocculation tower; the water outlet is located above the middle of the side wall of the flocculation tower, which prolongs the residence time of water in the flocculation tower and improves the flocculation effect.

[0015] Furthermore, the flocculation device also includes a first dosing device connected to the flocculation tower and used for injecting flocculant. The first dosing device includes a first medicine storage box arranged on the box body, and a first stirring device with a stirring end located in the first medicine storage box.

[0016] Furthermore, the first dosing device can be located at the top of the tank, and dosing is done by gravity, reducing the overall power consumption of the equipment. The flocculant brings some electrically charged particles or granules in the water closer together, reducing their electrical potential and making them unstable. Its aggregation properties also cause these particles to concentrate, making them easier to screen.

[0017] Furthermore, the sieve plate flocculation chamber includes a plurality of sieve plates arranged in sequence perpendicular to the direction of water flow in the sieve plate flocculation chamber, and the plurality of sieve plates are respectively provided with sieve holes of different apertures, and the apertures of the sieve plates increase in sequence along the direction of water flow; the sieve holes of adjacent sieve plates are arranged in a staggered manner. The sieve plates of the sieve plate flocculation chamber are opened in a front-to-back order, and the flow rate increases from fast to slow. The sieve holes of two adjacent sieve plates are staggered, so that the water flow can flow in a serpentine manner up and down. When the water flow passes through the sieve holes, a strong scaling effect is generated, and then a certain vortex effect can be formed, so that the particles further collide and squeeze with each other, forming good flocculation conditions for the water flow. Due to the continuous accumulation of collisions and squeezing, the size of the flocculated particles gradually increases, so the apertures of the sieve plates increase in sequence, which facilitates the flocculated particles to better enter the sedimentation device for removal.

[0018] Furthermore, mud discharge ports are provided between adjacent sieve plates and between the sieve plates and the sidewalls of the sieve plate flocculation chamber. Each port is located at the bottom of the sieve plate flocculation chamber, and each port is connected to the exterior of the chamber via a first mud discharge pipe for discharge. As the flocculated particles gradually pass through the sieve plates, they constantly collide and squeeze. Some flocculated particles that cannot pass through the current sieve aperture will sink to the mud discharge port at the bottom of the sieve plate flocculation chamber, allowing the sieve plate flocculation chamber to screen out some flocculated particles.

[0019] Furthermore, the sedimentation device includes a water distribution chamber, a horizontal tube sedimentation and separation device and a water collecting chamber that are sequentially connected along the direction of water flow, and also includes a flushing device that is arranged in the box and sprays toward the horizontal tube sedimentation and separation device; the water distribution chamber is connected to the flocculation device, and a water distribution plate is arranged in the water distribution chamber perpendicular to the direction of water flow; the water collecting chamber is provided with a water outlet weir located at the upper part of the water collecting chamber, and the water collecting chamber is connected to the filtration device through the water outlet weir.

[0020] The flocculated water flow is evenly distributed in the water distribution chamber through the water replenishment plate, so that the water flow enters the horizontal tube sedimentation separation device evenly, thereby improving the sedimentation efficiency; the horizontal tube sedimentation separation device is an existing mature technology and can be directly implemented using the existing horizontal tube sedimentation separation technology. Using the horizontal tube sedimentation separation technology, the turbidity of the effluent after sedimentation can be controlled below 2NTU, and the turbidity of the effluent can still be controlled below 3NTU in high turbidity or low turbidity conditions, which can effectively reduce the filter load and extend the filter backwash time. The filter effluent is stabilized within 1NTU; at the same time, the horizontal tube sedimentation separation technology adopts gravity cross-flow filtration, which can reduce energy consumption and reduce operating costs; the water flow after sedimentation is collected and buffered by the water collection chamber, and the water level is controlled by the outlet weir and connected to the filter device; the flushing device can flush and clean the horizontal tube sedimentation separation device, and can realize online automatic backwashing with less maintenance workload.

[0021] Furthermore, the horizontal tube sedimentation separation device includes a horizontal tube sedimentation assembly, a water inlet channel and a drainage channel respectively located at both ends of the horizontal tube sedimentation assembly, and a second mud discharge channel located at the bottom of the horizontal tube sedimentation assembly, the water inlet channel is connected to the water distribution chamber, the drainage channel is connected to the water collection chamber, and the second mud discharge channel is connected to the outside of the box through a second mud discharge pipe for discharge; the flushing device includes a forward flushing pipe with a spraying direction toward the top of the horizontal tube sedimentation assembly, and a lateral flushing pipe with a spraying direction toward the drainage channel of the horizontal tube sedimentation assembly, the forward flushing pipe and the lateral flushing pipe are connected to each other and one end is connected to an external cleaning water source.

[0022] The horizontal pipe sedimentation assembly adopts the conventional horizontal pipe layout method in the existing horizontal pipe sedimentation separation technology. This is a mature technology and will not be elaborated here; the second mud discharge pipe and the first mud discharge pipe can be connected in parallel for unified mud discharge; the flushing device is equipped with a forward flushing pipe and a lateral flushing pipe to cooperate with the horizontal pipe layout structure of the horizontal pipe sedimentation assembly, so as to achieve sufficient flushing and cleaning of the mud slide and water sedimentation channel in the horizontal pipe sedimentation assembly.

[0023] Furthermore, the integrated drinking water purification equipment also includes a second dosing device for injecting disinfectant, the second dosing device includes a second medicine storage box arranged on the box body, and a second stirring device with a stirring end located in the second medicine storage box, and the second dosing device is connected to the clean water pipe or the external clean water tank.

[0024] Furthermore, a second dosing device can also be installed on the top of the tank, and dosing is done by gravity, reducing the overall power consumption of the equipment. Adding disinfectant can effectively eliminate harmful microorganisms such as bacteria and viruses in the water, so that the water quality meets the relevant requirements of drinking water hygiene standards.

[0025] Furthermore, it also includes a matching automatic control system, which is respectively connected to the electronic control equipment in the flocculation device, the sedimentation device, the filtration device, the first dosing device, and the second dosing device to realize the automatic control of each water purification process and the online automatic backwashing maintenance of the equipment during the water purification process, etc., which reduces the maintenance workload and improves the intelligent automation capability.

[0026] Compared with the prior art, the beneficial effects of the present invention are:

[0027] (1) In the present invention, a flocculation device, a sedimentation device and a filtration device are integrated into a box body, so that the entire device forms a relatively independent integrated drinking water purification device, which can meet the water treatment needs of rural areas where residents are relatively dispersed.

[0028] (2) The water inlet method from the sedimentation device to the filtration device of the utility model adopts a water main pipe connected to the rapid filter tank, and the water flow is directly dispersed to various parts of the rapid filter tank after the water inlet is evenly divided into branches. Compared with the traditional water inlet method through the water gallery, this design distributes water more evenly and saves the space of the water gallery as a filtration area, saving the floor space and space of the filter tank and making the equipment structure more compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a top view schematic diagram of the internal layout of the present invention;

[0030] Figure 2 This is a schematic diagram of the top plan layout of the utility model;

[0031] Figure 3 for Figure 1 Schematic diagram of the internal cross section at the middle BB;

[0032] Figure 4 for Figure 1 Schematic diagram of the internal section at AA in the middle;

[0033] Figure 5 This is a schematic diagram of the bottom pipeline arrangement of the present utility model.

[0034] The icon marks are explained as follows:

[0035] 1- box body, 11- first water inlet, 2- flocculation device, 21- flocculation chamber, 22- sieve plate flocculation chamber, 221- sieve plate, 222- first mud discharge pipe, 23- flocculation tower, 231- second water inlet, 232- water outlet, 233- filler;

[0036] 2- sedimentation device, 31- water distribution chamber, 311- water distribution plate, 32- horizontal tube sedimentation and separation device, 33- water collection chamber, 331- outlet weir, 34- flushing device;

[0037] 3- filtration device, 421- drainage trough, 422- filter material layer, 42- rapid filter tank, 431- clean water pipe, 432- backwash water inlet pipe, 433- backwash drain pipe;

[0038] 5-first dosing device, 51-first medicine storage box, 52-first stirring device, 6-second dosing device, 61-second medicine storage box, 62-second stirring device, 7-automatic control system. DETAILED DESCRIPTION

[0039] The present invention is further described below in conjunction with specific embodiments. The accompanying drawings are for illustrative purposes only and are schematic, not actual, representations. They should not be construed as limiting this patent. To better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted from the drawings.

[0040] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and so on indicate the orientation or position relationship, they are based on the orientation or position relationship shown in the drawings. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0041] Example 1

[0042] like Figures 1 to 4 As shown, an integrated drinking water purification device includes a housing 1, a flocculation device 2, a sedimentation device 3, and a filtration device 4, which are arranged in the housing 1 and connected in sequence by waterways. The filtration device 4 includes a water distribution pipe system connected to the sedimentation device 3, and a rapid filter 42 located below the water distribution pipe system; the water distribution pipe system includes a water flow main pipe 411 connected to the sedimentation device 3, and a plurality of water inlet branch pipes 412, which are respectively connected to the water flow main pipe 411 and evenly distributed above the rapid filter 42.

[0043] like Figure 4 and Figure 5 As shown, the rapid filter tank 42 includes a plurality of drainage grooves 421 located below the plurality of water inlet manifolds 412 and interconnected, a filter material layer 422 located below the drainage grooves 421, a water outlet pipe located below the filter material layer 422 and used to receive the filtered water flow, and a backwash drainage pipe 433 connected to the plurality of drainage grooves 421; the water outlet pipe includes a clean water pipe 431 and a backwash water inlet pipe 432 branched in parallel; the plurality of water inlet manifolds 412, the backwash drainage pipe 433, the clean water pipe 431 and the backwash water inlet pipe 432 are respectively provided with valves.

[0044] The advantages of this embodiment are that the flocculation device 2, the sedimentation device 3, and the filtration device 4 are integrated into the housing 1, making the entire device a relatively independent integrated drinking water purification device that can meet the water treatment needs of relatively dispersed rural areas. The water inlet from the sedimentation device 3 to the filtration device 4 is connected to the top of the rapid filter 42 filter inlet trough through a main water pipe 411. The water is evenly divided into inlet branches 412 and then directly connected to the top of the drainage trough 421. Each branch pipe is equipped with a separate control valve. Compared with the traditional water inlet method through the water gallery, this design distributes water more evenly and saves space in the water gallery for filtration area, making the device structure more compact. The filter layer 422 can use lightweight filter media with a low expansion rate. At the same time, the height of the drainage trough 421 can be reduced, thereby reducing backwash water consumption and saving operating costs. Opening different valves can achieve multiple different functions of filtration or backwashing. At the same time, valves and other accessories can prevent damage caused by the external environment, extending the service life, and making the device more integrated and more beautiful.

[0045] like Figure 1 and Figure 3 As shown, the flocculation device 2 includes a floc nucleus cavity 21 and a sieve plate flocculation cavity 22 that are interconnected. A floc nucleus tower 23 is provided in the floc nucleus cavity 21. A first water inlet 11 connected to the floc nucleus cavity 21 is provided on the box body 1, a second water inlet 231 is provided at the bottom of the floc nucleus tower 23, and a water outlet 232 is provided on the side wall of the floc nucleus tower 23; the first water inlet 11 is used to connect with external raw water and allow the water flow to enter the outer wall of the floc nucleus tower 23 through the external cutting, the water flows through the second water inlet 231 and passes through the floc nucleus tower 23 from the water outlet 232 to the sieve plate flocculation cavity 22, and the water flows through the sieve plate flocculation cavity 22 to be connected to the sedimentation device 3.

[0046] The flocculation device 2 of this embodiment adopts the flocculation method of high-efficiency flocs and sieve plates 221 to flocculate the raw water efficiently. The first water inlet 11 connected to the external raw water allows the water flow to be cut off from the outer wall of the floc tower 23 for water intake. The water flow is cut off from the outer wall of the floc tower 23 and can form an annular rotating water flow around the outer wall trajectory of the floc tower 23 in the floc cavity 21. The water flow is filled from top to bottom along the outer wall of the floc tower 23 to form a vortex sand removal effect. This embodiment does not need to provide a separate stirring device to increase the water flow disturbance through the vortex effect, which simplifies the structural design of the equipment; the water reaching the bottom of the floc tower 23 enters the interior of the floc tower 23 through the second water inlet 231 The flocculation tower 23 is generally filled with flocculants to achieve efficient flocculation of water inside the flocculation tower 23, and enters the sieve plate flocculation chamber 22 from the water outlet 232 for flocculation. The arrangement of the flocculation tower 23 in the flocculation chamber 21 enables the water flow to realize swirling forward in a limited space and rotate back into the flocculation tower 23, extending the forward trajectory of the raw water, and increasing the flocculation time of the raw water in the flocculation tower 23, thereby improving the flocculation effect and greatly improving the flocculation efficiency in the limited space of the box 1. At the same time, the water flow after the initial flocculation is subjected to turbulent flocculation in the sieve plate flocculation chamber 22, providing a greater water turbulence effect, making the flocs denser and easier to precipitate and separate.

[0047] like Figure 3 As shown, the nucleus tower 23 includes an inverted frustum-shaped tower body; the inverted frustum-shaped tower body can produce a better swirling effect when the raw water tangentially impacts the outer wall of the tower body.

[0048] like Figure 3 As shown, the flocculation tower 23 is filled with filler 233; the filler 233 is installed to form multiple water flows in the flocculation tower 23, thereby increasing the collision probability of flocs in the filler 233, making the density of flocculation nuclei formed in the early stage of flocculation higher, strengthening flocculation, and ensuring the flocculation effect when the raw water is low in temperature and low in turbidity.

[0049] like Figure 3 As shown, the water outlet 232 is located above the middle of the side wall of the flocculation tower 23; the water outlet 232 is located above the middle of the side wall of the flocculation tower 23 to extend the residence time of the water flow in the flocculation tower 23 and improve the flocculation effect.

[0050] like Figure 3 As shown, the flocculation device 2 also includes a first dosing device 5 connected to the flocculation tower 23 and used for injecting flocculant. The first dosing device 5 includes a first medicine storage box 51 provided on the box body 1, and a first stirring device 52 with a stirring end located in the first medicine storage box 51.

[0051] like Figure 3As shown, the first dosing device 5 can be installed on the top of the tank 1, and the dosing is done by gravity, which reduces the overall power consumption of the equipment. The flocculant brings some electrically charged particles or granules in the water that are difficult to separate closer together, reducing their electrical potential and making them unstable. The flocculant also uses its aggregation properties to concentrate these particles, making them easier to screen.

[0052] like Figure 3 As shown, the sieve plate flocculation chamber 22 includes a plurality of sieve plates 221 arranged in sequence perpendicular to the direction of water flow. Each of the sieve plates 221 has sieve holes of different diameters, and the diameters of the sieve plates 221 increase along the direction of water flow. The sieve holes of adjacent sieve plates 221 are arranged in a staggered manner. The sieve plates 221 of the sieve plate flocculation chamber 22 have holes that increase in size in a front-to-back order, and the flow rate decreases from fast to slow. The sieve holes of two adjacent sieve plates 221 are staggered, allowing the water to flow in an upward and downward serpentine manner. When the water flows through the sieve holes, a strong scaling effect is generated, which in turn forms a certain vortex effect, causing the particles to further collide and squeeze each other, creating good flocculation conditions for the water flow. Due to the continuous accumulation of collisions and squeezing, the size of the flocculated particles gradually increases. Therefore, the diameters of the sieve plates 221 increase, facilitating the flocculated particles to enter the sedimentation device 3 for removal.

[0053] like Figure 1 and Figure 3 As shown, mud discharge ports are provided between two adjacent sieve plates 221 and between the sieve plates 221 and the sidewalls of the sieve plate flocculation chamber 22. The mud discharge ports are all located at the bottom of the sieve plate flocculation chamber 22. Each mud discharge port is connected to the outside of the housing 1 for discharge via a first mud discharge pipe 222. Flocculated particles continuously collide and squeeze as they gradually pass through the sieve plates 221. Some flocculated particles that cannot pass through the current sieve holes will sink into the mud discharge port at the bottom of the sieve plate flocculation chamber 22. Therefore, the sieve plate flocculation chamber 22 can also screen out some flocculated particles.

[0054] like Figure 4 As shown, the sedimentation device 3 includes a water distribution chamber 31, a horizontal tube sedimentation and separation device 32 and a water collecting chamber 33 which are sequentially connected along the direction of water flow, and also includes a flushing device 34 arranged in the box body 1 and spraying toward the horizontal tube sedimentation and separation device 32; the water distribution chamber 31 is connected to the flocculation device 2, and a water distribution plate 311 is arranged in the water distribution chamber 31 perpendicular to the direction of water flow; the water collecting chamber 33 is provided with a water outlet weir 331 located at the upper position of the water collecting chamber 33, and the water collecting chamber 33 is connected to the filtering device 4 through the water outlet weir 331.

[0055] The flocculated water flow is evenly distributed in the water distribution chamber 31 through the water replenishment plate, so that the water flow evenly enters the horizontal tube sedimentation separation device 32, thereby improving the sedimentation efficiency; the horizontal tube sedimentation separation device 32 is an existing mature technology and can be directly implemented using the existing horizontal tube sedimentation separation technology. By using the horizontal tube sedimentation separation technology, the turbidity of the effluent after sedimentation can be controlled below 2NTU, and the turbidity of the effluent can still be controlled below 3NTU in high turbidity or low turbidity conditions, which can effectively reduce the filter load and extend the filter backwash time. The filter effluent is stabilized within 1NTU; at the same time, the horizontal tube sedimentation separation technology adopts gravity cross-flow filtration, which can reduce energy consumption and reduce operating costs; the water flow after sedimentation is collected and buffered by the water collection chamber 33, and the water level is controlled by the outlet weir 331 and connected to the filter device 4; the flushing device 34 can flush and clean the horizontal tube sedimentation separation device 32, and can realize online automatic backwashing with less maintenance workload.

[0056] like Figure 4 As shown, the horizontal tube sedimentation separation device 32 includes a horizontal tube sedimentation assembly, a water inlet channel and a drainage channel respectively located at both ends of the horizontal tube sedimentation assembly, and a second mud discharge channel located at the bottom of the horizontal tube sedimentation assembly. The water inlet channel is connected to the water distribution chamber 31, the drainage channel is connected to the water collection chamber 33, and the second mud discharge channel is connected to the outside of the box body 1 through the second mud discharge pipe 322 for discharge; the flushing device 34 includes a forward flushing pipe with a spraying direction toward the top of the horizontal tube sedimentation assembly, and a lateral flushing pipe with a spraying direction toward the drainage channel of the horizontal tube sedimentation assembly. The forward flushing pipe and the lateral flushing pipe are connected to each other and one end is connected to an external cleaning water source.

[0057] The horizontal pipe sedimentation assembly adopts the conventional horizontal pipe layout method in the existing horizontal pipe sedimentation separation technology. This is a mature technology and will not be expanded here; the second mud discharge pipe 322 and the first mud discharge pipe 222 can be connected in parallel to achieve unified mud discharge; the flushing device 34 is provided with a forward flushing pipe and a lateral flushing pipe in order to cooperate with the horizontal pipe layout structure of the horizontal pipe sedimentation assembly, so as to achieve sufficient flushing and cleaning of the mud slide and the water sedimentation channel in the horizontal pipe sedimentation assembly.

[0058] Example 2

[0059] This embodiment is similar to embodiment 1, except that:

[0060] like Figure 3 As shown, it also includes a second dosing device 6 for injecting disinfectant. The second dosing device 6 includes a second medicine storage box 61 provided on the box body 1, and a second stirring device 62 with a stirring end located in the second medicine storage box 61. The second dosing device 6 is connected to the clean water pipe 431 or an external clean water tank.

[0061] like Figure 1 and Figure 3As shown, the second dosing device 6 can also be set on the top of the box 1, and the dosing adopts gravity feeding to reduce the overall power consumption of the equipment. Adding disinfectant can effectively eliminate harmful microorganisms such as bacteria and viruses in the water, so that the water quality reaches a certain sanitary standard.

[0062] The other structures and principles of this embodiment are the same as those of embodiment 1.

[0063] Example 3

[0064] This embodiment is similar to embodiment 2, except that:

[0065] like Figures 1 to 5 As shown, it also includes a matching automatic control system 7, which is respectively connected to the electronic control equipment in the flocculation device 2, the sedimentation device 3, the filtration device 4, the first dosing device 5, and the second dosing device 6 to realize the automatic control of each water purification process and the online automatic backwashing maintenance of the equipment during the water purification process, etc., which reduces the maintenance workload and improves the intelligent automation capability.

[0066] The other structures and principles of this embodiment are the same as those of embodiment 2.

[0067] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. A person skilled in the art will be able to make other variations or modifications based on the above description. It is not necessary and impossible to enumerate all implementation methods here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. An integrated drinking water purification device, comprising a housing (1), a flocculation device (2), a sedimentation device (3) and a filtration device (4) which are arranged in the housing (1) and are connected in sequence by waterways, characterized in that: The filtering device (4) comprises a water distribution pipe system connected to the sedimentation device (3), and a rapid filter tank (42) located below the water distribution pipe system; the water distribution pipe system comprises a water main pipe (411) connected to the sedimentation device (3), and a plurality of water inlet branch pipes (412) respectively connected to the water main pipe (411) and evenly distributed above the rapid filter tank (42).

2. The integrated drinking water purification device according to claim 1, characterized in that: The rapid filter tank (42) comprises a plurality of drainage grooves (421) located below the plurality of water inlet manifolds (412) and interconnected, a filter material layer (422) located below the drainage grooves (421), a water outlet pipe located below the filter material layer (422) and used for receiving filtered water flow, and a backwash drainage pipe (433) connected to the plurality of drainage grooves (421); the water outlet pipe comprises a clean water pipe (431) and a backwash water inlet pipe (432) branched in parallel; the plurality of water inlet manifolds (412), the backwash drainage pipe (433), the clean water pipe (431) and the backwash water inlet pipe (432) are each provided with a valve.

3. The integrated drinking water purification device according to claim 1, characterized in that: The flocculation device (2) comprises a flocculation chamber (21) and a sieve plate flocculation chamber (22) which are interconnected. A flocculation tower (23) is provided in the flocculation chamber (21). A first water inlet (11) which is connected to the flocculation chamber (21) is provided on the housing (1). A second water inlet (231) is provided at the bottom of the flocculation tower (23). A water outlet (232) is provided on the side wall of the flocculation tower (23). The first water inlet (11) is used to connect with external raw water and allow the water flow to enter through the outer wall of the flocculation tower (23). The water flows through the second water inlet (231) and passes through the flocculation tower (23) to be connected to the sieve plate flocculation chamber (22) from the water outlet (232). After passing through the sieve plate flocculation chamber (22), the water flow is connected to the sedimentation device (3).

4. The integrated drinking water purification device according to claim 3, characterized in that: The flocculation tower (23) comprises an inverted frustum-shaped tower body. The flocculation tower (23) is filled with fillers (233). The water outlet (232) is located above the middle of the side wall of the flocculation tower (23).

5. The integrated drinking water purification device according to claim 3, characterized in that: The flocculation device (2) further comprises a first dosing device (5) connected to the flocculation tower (23) and used for injecting flocculant, wherein the first dosing device (5) comprises a first medicine storage box (51) arranged on the box body (1), and a first stirring device (52) with a stirring end located in the first medicine storage box (51).

6. The integrated drinking water purification device according to claim 3, characterized in that: The sieve plate flocculation chamber (22) comprises a plurality of sieve plates (221) arranged in sequence in the sieve plate flocculation chamber (22) perpendicular to the direction in which water flows forward, and the plurality of sieve plates (221) are respectively provided with sieve holes of different apertures, and the apertures of the sieve plates (221) increase in sequence along the direction in which water flows forward; and the sieve holes of adjacent sieve plates (221) are arranged in a staggered manner.

7. The integrated drinking water purification device according to claim 6, characterized in that: Mud discharge ports are provided between two adjacent sieve plates (221) and between the sieve plate (221) and the side wall of the sieve plate flocculation chamber (22). The mud discharge ports are located at the bottom of the sieve plate flocculation chamber (22). Each mud discharge port is connected to the outside of the box (1) through a first mud discharge pipe (222) for discharge.

8. The integrated drinking water purification device according to claim 1, characterized in that: The sedimentation device (3) comprises a water distribution chamber (31), a horizontal tube sedimentation separation device (32) and a water collection chamber (33) which are sequentially connected and arranged along the direction of water flow, and also comprises a flushing device (34) which is arranged in the housing (1) and sprays toward the horizontal tube sedimentation separation device (32); the water distribution chamber (31) is connected to the flocculation device (2), and a water distribution plate (311) is arranged in the water distribution chamber (31) perpendicular to the direction of water flow; the water collection chamber (33) is provided with a water outlet weir (331) located at the upper part of the water collection chamber (33), and the water collection chamber (33) is connected to the filtering device (4) through the water outlet weir (331).

9. The integrated drinking water purification device according to claim 8, characterized in that: The horizontal tube sedimentation separation device (32) comprises a horizontal tube sedimentation assembly, a water inlet channel and a drainage channel respectively located at both ends of the horizontal tube sedimentation assembly, and a mud discharge channel located at the bottom of the horizontal tube sedimentation assembly, the water inlet channel is connected to the water distribution chamber (31), the drainage channel is connected to the water collection chamber (33), and the mud discharge channel is connected to the outside of the box body (1) through a second mud discharge pipe (322) for discharge; the flushing device (34) comprises a forward flushing pipe with a spraying direction toward the top of the horizontal tube sedimentation assembly, and a lateral flushing pipe with a spraying direction toward the drainage channel of the horizontal tube sedimentation assembly, the forward flushing pipe and the lateral flushing pipe are connected to each other and one end of each is connected to an external cleaning water source.

10. The integrated drinking water purification device according to claim 2, characterized in that: It also includes a second dosing device (6) for injecting disinfectant, the second dosing device (6) includes a second medicine storage box (61) arranged on the box body (1), and a second stirring device (62) with a stirring end located in the second medicine storage box (61), and the second dosing device (6) is connected to the clean water pipe (431) or an external clean water tank.

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